feat: Upgrade to Astro with full PDPA compliance

PDPA Features:
✅ Cookie consent banner
✅ Consent logging API
✅ Admin dashboard
✅ Privacy Policy
✅ Terms & Conditions

Technical:
✅ Astro 5.x + Tailwind v4
✅ Docker on port 80
✅ SQLite database
✅ 15 pages built

Ready for Easypanel deployment.

node_modules/css-tree/cjs/walker/index.cjs

@@ -0,0 +1,8 @@
+'use strict';
+
+const create = require('./create.cjs');
+const walker$1 = require('../syntax/config/walker.cjs');
+
+const walker = create.createWalker(walker$1);
+
+module.exports = walker;